Locking case



FIG. 1 is a front right perspective view of a locking case of the present application;

FIG. 2 is a front elevational view of the case of FIG. 1;

FIG. 3 is a top plan view of the case of FIG. 1;

FIG. 4 is a back elevational view of the case of FIG. 1;

FIG. 5 is a bottom plan view of the case of FIG. 1; and,

FIG. 6 is a left elevational view of the case of FIG. 1.

The broken lines illustration portions of the locking case and form no part of the claimed design. 

CLAIM The ornamental design for a locking case, as shown and described. 